Maggie Lawson (born August 12, 1980) is an American actress who is best known for her role as Detective Juliet "Jules" O'Hara in the television series Psych, and its subsequent film series. From 2018 to 2019, she held the recurring role of Natalie Flynn in the third and final season of Fox's Lethal Weapon. For Hallmark Channel, Lawson has starred in My Favorite Wedding and Christmas Encore in 2017, The Story of Us and Christmas in Evergreen: Tidings of Joy in 2019.